Main: Write failed integrity checks to "restic-integrity-log"

source/main.rs

@@ -1,14 +1,16 @@
 /*
- * Copyright (c) 2022, networkException <git@nwex.de>
+ * Copyright (c) 2024, networkException <git@nwex.de>
  *
  * SPDX-License-Identifier: BSD-2-Clause
  */
 
+use chrono::Local;
 use clap::Parser;
 use indicatif::{ParallelProgressIterator, ProgressBar, ProgressStyle, ProgressFinish};
 use rayon::ThreadPoolBuilder;
 use rayon::iter::{ParallelIterator, IntoParallelRefIterator};
-use std::fs::File;
+use std::fs::{File, OpenOptions};
+use std::io::Write;
 use std::path::Path;
 use std::io::{self, Result, Error, ErrorKind};
 use sha2::{Sha256, Digest};
@@ -100,6 +102,20 @@ fn run() -> Result<()> {
                 let path_string = path.to_str().unwrap();
 
                 eprintln!("Integrity check failed for {}: Expected {}, got {}", path_string, filename, hash);
+
+                let file = OpenOptions::new()
+                    .create(true)
+                    .append(true)
+                    .open("restic-integrity-log");
+
+                match file {
+                    Err(error) => eprintln!("Unable to write to restic-integrity-log: {}", error),
+                    Ok(mut file) => {
+                        if let Err(error) = writeln!(file, "{}: Integrity check failed for {}: Expected {}, got {}", Local::now().format("%Y-%m-%d %H:%M:%S"), path_string, filename, hash) {
+                            eprintln!("Unable to write to restic-integrity-log: {}", error)
+                        }
+                    }
+                }
             }
 
             Ok(())